<template>
  <div>
    <h1>App</h1>
    <button @click="num++">ADD</button>
    <hr />

    <HelloWorld :initialCount="num" />
  </div>
</template>

<script>
import HelloWorld from './components/HelloWorld.vue'

export default {
  components: {
    HelloWorld
  },

  data() {
    return {
      num: 10
    }
  }
}
</script>
